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Günterblassite

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Formula:
(K,Ca,Ba)2(Fe,Ca,Mg,Na)[(Si,Al)13O25(OH)4] · 7H2O ·
Also given as (K,Ca,Ba,Na,◻)3Fe[(Si,Al)13O25(OH,O)4].7H2O
Name:
Named after Günter Blass, amateur mineralogist from Germany, who has studied minerals from the Eifel area in detail.
Related to umbrianite and hillesheimite.

Classification of Günterblassite

Approved 2011
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Type Occurrence of Günterblassite

Chemical Properties of Günterblassite

Formula:
(K,Ca,Ba)2(Fe,Ca,Mg,Na)[(Si,Al)13O25(OH)4] · 7H2O ·

Also given as (K,Ca,Ba,Na,◻)3Fe[(Si,Al)13O25(OH,O)4].7H2O
Essential elements:
All elements listed in formula:

Other Names for Günterblassite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Günterblassite

Reference List:
Chukanov, N.V., Rastsvetaeva, R.K., Aksenov, S.M., Pekov, I.V., Zubkova, N.V., Britvin, S.N., Belakovskiy, D.I., Schueller, W., Ternes, B. (2012): Günterblassite, (K,Ca)3−xFe[(Si,Al)13O25(OH,O)4] • 7H2O, a new mineral: the first phyllosilicate with triple tetrahedral layer. Geology of Ore Deposits 54, 656-662.

Rastsvetaeva, R.K., Aksenova, S.M., Chukanov, N.V. (2012): Crystal structure of günterblassite, a new mineral with a triple tetrahedral layer. Doklady Chemistry, 442, 57-62.

Internet Links for Günterblassite

Localities for Günterblassite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Germany (TL)
 
  • Rhineland-Palatinate
    • Eifel
      • Gerolstein
        • Roth
Rastsvetaeva, R.K., Aksenova, S.M., Chukanov, N.V. (2012): Crystal structure of günterblassite, a new mineral with a triple tetrahedral layer. Doklady Chemistry, 442, 57-62; Chukanov, N.V., Rastsvetaeva, R.K., Aksenov, S.M., Pekov, I.V., Zubkova, N.V., Britvin, S.N., Belakovskiy, D.I., Schueller, W., Ternes, B. (2012): Günterblassite, (K,Ca)3−xFe[(Si,Al)13O25(OH,O)4] • 7H2O, a new mineral: the first phyllosilicate with triple tetrahedral layer. Geology of Ore Deposits 54, 656-662. ; Blaß, G. & Schüller, W. (2012): Der Rother Kopf in der Vulkaneifel. Lapis, 37 (3), 20-29.
Mineral and/or Locality  
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